1 /* #pragma ident "@(#)g_rel_cred.c 1.14 04/02/23 SMI" */
2
3 /*
4 * Copyright 1996 by Sun Microsystems, Inc.
5 *
6 * Permission to use, copy, modify, distribute, and sell this software
7 * and its documentation for any purpose is hereby granted without fee,
8 * provided that the above copyright notice appears in all copies and
9 * that both that copyright notice and this permission notice appear in
10 * supporting documentation, and that the name of Sun Microsystems not be used
11 * in advertising or publicity pertaining to distribution of the software
12 * without specific, written prior permission. Sun Microsystems makes no
13 * representations about the suitability of this software for any
14 * purpose. It is provided "as is" without express or implied warranty.
15 *
16 * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
20 * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
21 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
23 */
24
25 /* Glue routine for gss_release_cred */
26
27 #include "mglueP.h"
28 #include <stdio.h>
29 #ifdef HAVE_STDLIB_H
30 #include <stdlib.h>
31 #endif
32
33 OM_uint32 KRB5_CALLCONV
gss_release_cred(OM_uint32 * minor_status,gss_cred_id_t * cred_handle)34 gss_release_cred(OM_uint32 *minor_status, gss_cred_id_t *cred_handle)
35 {
36 OM_uint32 status, temp_status;
37 int j;
38 gss_union_cred_t union_cred;
39 gss_mechanism mech;
40
41 if (minor_status == NULL)
42 return (GSS_S_CALL_INACCESSIBLE_WRITE);
43
44 *minor_status = 0;
45
46 if (cred_handle == NULL)
47 return (GSS_S_NO_CRED | GSS_S_CALL_INACCESSIBLE_READ);
48
49 /*
50 * Loop through the union_cred struct, selecting the approprate
51 * underlying mechanism routine and calling it. At the end,
52 * release all of the storage taken by the union_cred struct.
53 */
54
55 union_cred = (gss_union_cred_t) *cred_handle;
56 if (union_cred == (gss_union_cred_t)GSS_C_NO_CREDENTIAL)
57 return (GSS_S_COMPLETE);
58
59 if (GSSINT_CHK_LOOP(union_cred))
60 return (GSS_S_NO_CRED | GSS_S_CALL_INACCESSIBLE_READ);
61 *cred_handle = NULL;
62
63 status = GSS_S_COMPLETE;
64
65 for(j=0; j < union_cred->count; j++) {
66
67 mech = gssint_get_mechanism (&union_cred->mechs_array[j]);
68
69 if (union_cred->mechs_array[j].elements)
70 free(union_cred->mechs_array[j].elements);
71 if (mech) {
72 if (mech->gss_release_cred) {
73 temp_status = mech->gss_release_cred
74 (
75 minor_status,
76 &union_cred->cred_array[j]);
77
78 if (temp_status != GSS_S_COMPLETE) {
79 map_error(minor_status, mech);
80 status = GSS_S_NO_CRED;
81 }
82
83 } else
84 status = GSS_S_UNAVAILABLE;
85 } else
86 status = GSS_S_DEFECTIVE_CREDENTIAL;
87 }
88
89 free(union_cred->cred_array);
90 free(union_cred->mechs_array);
91 free(union_cred);
92
93 return(status);
94 }
95